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https://www.readbyqxmd.com/read/28814048/a-mechanism-for-elbow-exoskeleton-for-customised-training
#1
Soumya K Manna, Venketesh N Dubey
It is well proven that repetitive extensive training consisting of active and passive therapy is effective for patients suffering from neuromuscular deficits. The level of difficulty in rehabilitation should be increased with time to improve the neurological muscle functions. A portable elbow exoskeleton has been designed that will meet these requirements and potentially offers superior outcomes than human-assisted training. The proposed exoskeleton can provide both active and passive rehabilitation in a single structure without changing its configuration...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814040/training-wrist-extensor-function-and-detecting-unwanted-movement-strategies-in-an-emg-controlled-visuomotor-task
#2
Mingxing Lyu, Charles Lambelet, Daniel Woolley, Xue Zhang, Weihai Chen, Xilun Ding, Roger Gassert, Nicole Wenderoth
Stroke patients often suffer from severe upper limb paresis. Rehabilitation treatment typically targets motor impairments as early as possible, however, muscular contractions, particularly in the wrist and fingers, are often too weak to produce overt movements, making the initial phase of rehabilitation training difficult. Here we propose a new training tool whereby electromyographic (EMG) activity is measured in the wrist extensors and serves as a proxy of voluntary corticomotor drive. We used the Myo armband to develop a proportional EMG controller which allowed volunteers to perform a simple visuomotor task by modulating wrist extensor activity...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814016/applying-a-soft-robotic-glove-as-assistive-device-and-training-tool-with-games-to-support-hand-function-after-stroke-preliminary-results-on-feasibility-and-potential-clinical-impact
#3
Gerdienke B Prange-Lasonder, Bob Radder, Anke I R Kottink, Alejandro Melendez-Calderon, Jaap H Buurke, Johan S Rietman
Recent technological developments regarding wearable soft-robotic devices extend beyond the current application of rehabilitation robotics and enable unobtrusive support of the arms and hands during daily activities. In this light, the HandinMind (HiM) system was developed, comprising a soft-robotic, grip supporting glove with an added computer gaming environment. The present study aims to gain first insight into the feasibility of clinical application of the HiM system and its potential impact. In order to do so, both the direct influence of the HiM system on hand function as assistive device and its therapeutic potential, of either assistive or therapeutic use, were explored...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813990/a-learning-based-agent-for-home-neurorehabilitation
#4
Andreas Lydakis, Yuanliang Meng, Christopher Munroe, Yi-Ning Wu, Momotaz Begum
This paper presents the iterative development of an artificially intelligent system to promote home-based neurorehabilitation. Although proper, structured practice of rehabilitation exercises at home is the key to successful recovery of motor functions, there is no home-program out there which can monitor a patient's exercise-related activities and provide corrective feedback in real time. To this end, we designed a Learning from Demonstration (LfD) based home-rehabilitation framework that combines advanced robot learning algorithms with commercially available wearable technologies...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813981/a-magnetic-compatible-supernumerary-robotic-finger-for-functional-magnetic-resonance-imaging-fmri-acquisitions-device-description-and-preliminary-results
#5
Irfan Hussain, Emiliano Santarnecchi, Andrea Leo, Emiliano Ricciardi, Simone Rossi, Domenico Prattichizzo
The Supernumerary robotic limbs are a recently introduced class of wearable robots that, differently from traditional prostheses and exoskeletons, aim at adding extra effectors (i.e., arms, legs, or fingers) to the human user, rather than substituting or enhancing the natural ones. However, it is still undefined whether the use of supernumerary robotic limbs could specifically lead to neural modifications in brain dynamics. The illusion of owning the part of body has been already proven in many experimental observations, such as those relying on multisensory integration (e...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813968/changes-in-neuromuscular-activity-during-motor-training-with-a-body-machine-interface-after-spinal-cord-injury
#6
C Pierella, A De Luca, E Tasso, F Cervetto, S Gamba, L Losio, E Quinland, A Venegoni, S Mandraccia, I Muller, A Massone, F A Mussa-Ivaldi, M Casadio
Body machine interfaces (BMIs) are used by people with severe motor disabilities to control external devices, but they also offer the opportunity to focus on rehabilitative goals. In this study we introduced in a clinical setting a BMI that was integrated by the therapists in the rehabilitative treatments of 2 spinal cord injured (SCI) subjects for 5 weeks. The BMI mapped the user's residual upper body mobility onto the two coordinates of a cursor on a screen. By controlling the cursor, the user engaged in playing computer games...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813934/a-hybrid-brain-machine-interface-based-on-eeg-and-emg-activity-for-the-motor-rehabilitation-of-stroke-patients
#7
Andrea Sarasola-Sanz, Nerea Irastorza-Landa, Eduardo Lopez-Larraz, Carlos Bibian, Florian Helmhold, Doris Broetz, Niels Birbaumer, Ander Ramos-Murguialday
Including supplementary information from the brain or other body parts in the control of brain-machine interfaces (BMIs) has been recently proposed and investigated. Such enriched interfaces are referred to as hybrid BMIs (hBMIs) and have been proven to be more robust and accurate than regular BMIs for assistive and rehabilitative applications. Electromyographic (EMG) activity is one of the most widely utilized biosignals in hBMIs, as it provides a quite direct measurement of the motion intention of the user...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813918/how-to-prepare-a-person-with-complete-spinal-cord-injury-to-use-surface-electrodes-for-fes-trike-cycling
#8
Raymond K Y Tong, Xiaojun Wang, Kenry W C Leung, Ginny T Y Lee, Cathy C Y Lau, H W Wai, Peter M K Pang, H C Leung
Functional Electrical Stimulation (FES) cycling could benefit people with Spinal Cord Injury (SCI). The FES cycling involves large muscle groups during the training, and thus improves the cardiovascular function, increases the muscle bulk and reduces the secondary complications. This study developed an outdoor FES exercise cycling system for complete SCI persons to exercise their lower limbs without putting extra load on upper extremities. The mechanical structure of the cycling system was specially redesigned to secure the SCI persons in the cycling system...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813908/form-and-function-exemplary-analysis-of-the-significance-for-the-design-of-rehabilitation-devices
#9
Johanna Baier, Lisa-Marie Kuchinke, Marc Neumann, Beate Bender
Stroke often leads to motor impairment that could be recovered by extensive training. Multiple devices exist to support the rehabilitation process. Most systems interact directly with the patient and therefore, depend strongly on the ergonomic design which is determined by its form and function. In this work the interdependence of form and function and their particular significance for the development of rehabilitation devices are outlined. As a case study the development of a hand rehabilitation device is presented, where two approaches answering different key questions to focus either on function or form were realized at the same time to generate different concepts...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813894/validity-of-a-sensor-based-table-top-platform-to-measure-upper-limb-function
#10
Michael Mace, Sarah Guy, Asif Hussain, Edith Diane Playford, Nick Ward, Sivakumar Balasubramanian, Etienne Burdet
Objective measurement is an essential part of the assessment process in neurological dysfunction such as stroke. However, current clinical scores are insensitive and based on subjective observation from experts. Technology provides an opportunity for enhanced accuracy and specificity of objective measurement. This study describes the use of an interactive force-sensitive table-top platform for the assessment of reach in post-stroke patients, admitted as part of a three week intensive upper limb training programme...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813891/quantitative-assessment-of-paretic-limb-dexterity-and-interlimb-coordination-during-bilateral-arm-rehabilitation-training
#11
Chang Xu, Siyi Li, Kui Wang, Zengguang Hou, Ningbo Yu
In neuro-rehabilitation after stroke, the conventional constrained induced movement therapy (CIMT) has been well-accepted. Existing bilateral trainings are mostly on mirrored symmetrical motion. However, complementary bilateral movements are dominantly involved in activities of daily living (ADLs), and functional bilateral therapies may bring better skill transfer from trainings to daily life. Neurophysiological evidence is also growing. In this work, we firstly introduce our bilateral arm training system realized with a haptic interface and a motion sensor, as well as the tasks that have been designed to train both the manipulation function of the paretic arm and coordination of bilateral upper limbs...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813882/validation-of-the-efficiency-of-a-robotic-rehabilitation-training-system-for-recovery-of-severe-plegie-hand-motor-function-after-a-stroke
#12
Hirofumi Tanabe, Munehiro Ikuta, Yoshifumi Morita
We have developed a rehabilitation training system called the Useful and Ultimate Rehabilitation System PARKO (UR System PARKO) to promote the recovery of motor function of the severe chronic plegic hand of stroke patients. This system was equipped with two functions to realize two conditions: (1) fixing of all fingers to a hyperextended position and (2) extending the elbow joint while applying resistance load to the fingertips. A clinical test was conducted with two patients to determine the therapeutic effect of the UR System PARKO for severe plegic hand...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813877/capture-learning-and-classification-of-upper-extremity-movement-primitives-in-healthy-controls-and-stroke-patients
#13
Jorge Guerra, Jasim Uddin, Dawn Nilsen, James Mclnerney, Ammarah Fadoo, Isirame B Omofuma, Shatif Hughes, Sunil Agrawal, Peter Allen, Heidi M Schambra
There currently exist no practical tools to identify functional movements in the upper extremities (UEs). This absence has limited the precise therapeutic dosing of patients recovering from stroke. In this proof-of-principle study, we aimed to develop an accurate approach for classifying UE functional movement primitives, which comprise functional movements. Data were generated from inertial measurement units (IMUs) placed on upper body segments of older healthy individuals and chronic stroke patients. Subjects performed activities commonly trained during rehabilitation after stroke...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813875/rehabilitation-for-hemiplegia-using-an-upper-limb-training-system-based-on-a-force-direction
#14
Kunihiro Ogata, Yuto Hirabayashi, Keisuke Kubota, Yuri Hasegawa, Toshiaki Tsuji
Hemiplegia patients have complete paralysis of half their body, and encounter many challenges in living an independent life. Rehabilitation of the lower body is more important than that of the upper body for independent living; thus, recovering upper body functions of their paralyzed side is not enough. Rehabilitation robots may be used to assist training without therapists. In this study, a small portable rehabilitation robot was developed for use at home, and a new training method was proposed. This robot consists on an omni wheel mechanism and a force sensor, and is capable of deciding the motion based on the force value...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813870/upper-limb-training-assessment-program-using-passive-force-controllable-rehabilitation-system
#15
Takehito Kikuchi, Chihiro Sato, Kazuki Yamabe, Isao Abe, Tetsuya Ohno, Shintaro Kugimiya, Akio Inoue
Upper limb rehabilitation training for Hemiplegie patients has been conducted mainly by human therapists. Training methods and conditions depend strongly on their experience because of the wide range of individual differences between patients. The force control and sensing functions of rehabilitation robots are expected to be used for the qualitative assessment of next-generation computational rehabilitation. In this study, we developed a simple exercise machine for upper limbs (SEMUL) using an electro-rheological fluid brake, as a safe brake-type robotic rehabilitation system...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813867/therapeutic-effects-of-anti-gravity-treadmill-alterg-training-on-reflex-hyper-excitability-corticospinal-tract-activities-and-muscle-stiffness-in-children-with-cerebral-palsy
#16
Sh Parvin, A Taghiloo, A Irani, M Mehdi Mirbagheri
We aimed to study therapeutic effects of antigravity treadmill (AlterG) training on reflex hyper-excitability, muscle stiffness, and corticospinal tract (CST) function in children with spastic hemiplegic cerebral palsy (CP). Three children received AlterG training 3 days per week for 8 weeks as experimental group. Each session lasted 45 minutes. One child as control group received typical occupational therapy for the same amount of time. We evaluated hyper-excitability of lower limb muscles by H-reflex response...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813864/gait-assessment-system-based-on-novel-gait-variability-measures
#17
Xingchen Wang, Danijela Ristic-Durrant, Matthias Spranger, Axel Graser
In this paper, a novel gait assessment system based on measures of gait variability reflected through the variability of shapes of gait cycles trajectories is proposed. The presented gait assessment system is based on SVM (support vector machine) classifier and on gait variability-based features calculated from the hip and knee joint angle trajectories recorded using wearable IMUs during walking trials. A system classifier was trained to distinguish healthy gait patterns from the pathological ones. The features were extracted by calculating the distances between the joint trajectories of the individual gait cycles using 4 different distance functions...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813854/automated-stand-up-and-sit-down-detection-for-robot-assisted-body-weight-support-training-with-the-float
#18
Mathias Bannwart, Dominique Emst, Chris Easthope, Marc Bolliger, Georg Rauter
Patients with impaired walking function are often dependent on assistive devices to retrain gait and regain independence in life. To provide adequate support, gait rehabilitation devices have to be manually set to the correct support mode or have to recognize the type and starting point of a certain motion automatically. For automated motion type detection, machine learning-based classification algorithms using sensor signals from different body parts can achieve robust performance. However, until today, there is only little work available to detect motion onset...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813853/towards-human-knee-orthosis-interaction-based-on-adaptive-impedance-control-through-stiffness-adjustment
#19
Joana Figueiredo, Paulo Felix, Cristina P Santos, Juan C Moreno
Rehabilitation interventions involving powered, wearable lower limb orthoses that can provide high-challenging locomotor tasks for repetitive training sessions, mainly when assist-as-needed strategies, such as adaptive impedance control, are designed. In this study, the adaptive behavior was ensured by software control of the robotic stiffness involved in the human-knee orthosis interaction in function of the gait cycle and speed. To estimate the stiffness, we analyzed the interaction torque-angle characteristics with experimental data...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813849/effects-of-partial-body-weight-support-and-functional-electrical-stimulation-on-gait-characteristics-during-treadmill-locomotion-pros-and-cons-of-saddle-seat-type-body-weight-support
#20
Natsumi Kataoka, Hiroaki Hirai, Taya Hamilton, Fumiaki Yoshikawa, Akira Kuroiwa, Yuma Nagakawa, Eichi Watanabe, Yudai Ninomaru, Yuri Saeki, Mitsunori Uemura, Fumio Miyazaki, Hiroshi Nakata, Tomoki Nishi, Hiroaki Naritomi, Hermano Igo Krebs
Robotic therapy for rehabilitation of the lower extremity is currently in its early stage of development. Aiming at exploring an efficacious intervention for gait rehabilitation, we investigate the characteristics of an end-effector gait-training device that combines saddle-seat-type body-weight-supported treadmill training with functional electrical stimulation (FES). This is a task-oriented approach to restoring voluntary control of locomotion in patients with neuromuscular diseases. We evaluate the differences between walking with saddle-seat-type support and with harness-type support, in terms of personal preference, the preferred walking speed, profiles of kinematics and ground reaction force, and the effectiveness of FES...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
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